Patents by Inventor Chan Vu

Chan Vu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Clay treatment process for white mineral oil
    Patent number: 5997732
    Abstract: Severely contaminated white mineral oils which fail the RCS specification are treated using an acid-treated bentonite clay, such as TONSIL CO 630G. The white oil products produced in the treatment may be a USP grade white oil.
    Type: Grant
    Filed: October 14, 1998
    Date of Patent: December 7, 1999
    Assignee: Chevron U.S.A. Inc.
    Inventors: Nadine Yenni, Chan Vu